Use the Purchases Page to Try Again Install Macos Sierra
Some advanced Mac users may like to perform a make clean install of macOS Sierra, which is essentially the process of erasing a hard drive and and so starting fresh with a new clean installation of macOS Sierra 10.12. Later the clean install is consummate, a separate fill-in of any necessary files is manually transferred back over to restore personal information. A clean install can be desirable for many reasons, including to offset anew, or as a troubleshooting method to extreme issues, but information technology's really not appropriate for all Mac users.
Because the clean installation process involves manually bankroll upwards important files and information from a Mac (not only using Time Motorcar), formatting the hard drive and erasing everything in the procedure, using a boot installer disk to perform a make clean installation of Sierra, and then manual file transfers to restore personal data, this is best reserved for advanced users. The vast majority of Mac users volition be better served updating to macOS Sierra using the standard install and update method via the Mac App Store.
If you empathise the objective and are comfortable with the make clean installation process, you will demand the following:
- Bootable macOS Sierra installer drive
- A Mac compatible with macOS Sierra (meet list of Sierra uniform Macs here)
- A manual backup of your personal files, information, photos, and of import information
Of import note: a clean install will erase everything on the Mac and then install macOS Sierra, nothing else will be on the Mac. Wiping over and starting over clean is the entire point of this. Therefore you lot must fill-in your data manually beforehand, using a method of your choice. This is Non the aforementioned as using Fourth dimension Machine and restoring. If y'all don't know what y'all're doing with making transmission file backups or with a clean install of macOS Sierra, don't go along, you will lose all data on the Mac.
How to Clean Install macOS Sierra
- Complete a backup to Fourth dimension Machine before beginning. We recommend having a total Fourth dimension Machine fill-in in add-on to your transmission file backup which you intend to manually restore data from. Be sure to back up your of import files, pictures, data, or whatever else – practise not skip this. Performing a make clean install will erase the Mac and you volition lose any data you exercise not save to an external volume
- Adhere the kicking macOS Sierra install drive to the Mac
- Reboot the reckoner, as shortly equally you lot hear the boot chime start holding the OPTION key during kicking upwards
- Continue property Pick key until you see a kick carte appear, choose the "Install macOS Sierra" volume from this bill of fare
- When the "macOS Utilities" screen loads, choose "Disk Utility" from the listing
- Select "Macintosh HD" (or the proper noun of your target Mac drive to format and make clean install Sierra onto), then cull the "Erase" button
- Keep the bulldoze named "Macintosh Hard disk drive" (or rename it if you want), and go to "Format" and cull "Mac OS Extended (Journaled)", then click on "Erase" – ALL DATA ON THE MAC Volition BE REMOVED AND ERASED, THIS IS IRREVERSIBLE
- After the drive is finished formatting, quit out of Disk Utility to return to the macOS Utilities screen
- Cull "Install macOS Sierra" from the menu options
- Click on "Continue" and concord to the terms, then select "Macintosh Hard disk" (or the target drive proper noun) from the drive list and and so cull "Install"
- Allow macOS Sierra install, the entire installation process can take a while so exist prepared to look
When macOS Sierra has completed installing, information technology will kicking back into a clean install of macOS Sierra and directly into the Mac OS setup procedure.
The Mac will accept nothing on it, just macOS Sierra. There volition exist no third party apps, no data, no personal files, no pictures, no music, no personal data, information technology's much like getting a brand new Mac in that sense, which is the entire purpose of the clean install procedure.
One time you're at the mac Os x.12 desktop, you're prepare to manually copy your files, apps, and personal data back over to the Mac, or you tin can start fresh with nothing on the computer at all. Savour! And don't miss checking out some of the all-time macOS features.
Source: https://osxdaily.com/2016/09/26/clean-install-macos-sierra/
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